23227569 has 6 divisors (see below), whose sum is σ = 33550946. Its totient is φ = 15485040.

The previous prime is 23227553. The next prime is 23227571. The reversal of 23227569 is 96572232.

It can be written as a sum of positive squares in only one way, i.e., 17539344 + 5688225 = 4188^2 + 2385^2 .

It is not a de Polignac number, because 23227569 - 2⁴ = 23227553 is a prime.

It is a super-2 number, since 2×23227569² = 1079039923299522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23227669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1290412 + ... + 1290429.

Almost surely, 2^23227569 is an apocalyptic number.

It is an amenable number.

23227569 is a deficient number, since it is larger than the sum of its proper divisors (10323377).

23227569 is a wasteful number, since it uses less digits than its factorization.

23227569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580847 (or 2580844 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 23227569 is about 4819.4988328663. The cubic root of 23227569 is about 285.3215576499.

The spelling of 23227569 in words is "twenty-three million, two hundred twenty-seven thousand, five hundred sixty-nine".